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Double Rifles, Single Shots & Combinations >> Double Rifles
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Russ_Gould
.224 member


Reged: 20/12/06
Posts: 30
Loc: OR, USA
Re: Disappointed [Re: Pilgrim]
      #68026 - 25/12/06 05:43 AM

Is the rifle loose perhaps? I had an experience with a drilling that shot lower and lower the looser it got. And I hear that Chapuis double rifles do tend to shoot loose after a while.

The other factor is that as the bores shoot in, barrel residence time is shorter so the gun will tend to shoot lower and crossed. (The bullets exit earlier in the recoil motion).

Adding a pad could exacerbate this by allowing more straight back recoil and less deviation to the side.

You can try a heavier bullet (someone makes a 300, can't remember who) or a faster powder to try to offset the crossing. You need to go in the direction of MORE recoil, not less, to offset crossing.

Frankly, if the rifle shoots around 2" at 100 yards, it's better than 80% of the double rifles out there so either let it be, or sell it and buy yourself a modern bolt rifle. Your first group could be a fluke, 2 shots from each barrel is NOT statistically significant, not by a long shot. Heck, it wasn't long ago when 3" from a big game bolt rifle was considered accurate.

--------------------
http://doublegunhq.com - specializing in fine English, German and American double guns; and http://bigfivehq.com, specializing in safari rifles and hunting safaris

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tinker
.416 member


Reged: 12/03/05
Posts: 4835
Loc: Nevada
Re: Disappointed [Re: Pilgrim]
      #68028 - 25/12/06 05:51 AM

Good luck with it.



--Tinker

--------------------
--Self-Appointed Colonel, DRSS--



"It IS a dangerous game, and so named for a reason, and you can't play from the keyboard. " --Some Old Texan...

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Pilgrim
.275 member


Reged: 25/05/04
Posts: 57
Loc: Washington State, USA
Re: Disappointed [Re: tinker]
      #68037 - 25/12/06 07:09 AM

Russ - The tight group wasn't a fluke. I shot at least a half dozen groups (2 ea. R's and L's) and they all were in the 1" range. I believe I used up 3 or 4 factory S&B boxes of ammunition before trying my first reload. I had a hard time believing what I was seeing, and so the repeats. I have been thinking about the barrel breaking in, as you noted in your post. It most definitely is smoother than it was. That is backed up by it's reduced fouling. The rifle isn't loose. In fact it still is quite tight and takes a bit of an effort to break the action. I hope it loosens up a bit with use. If it doesn't, carrying a pair of cartridges in my forward hand isn't gonna happen, and reloads are going to be a bit slower than I hoped . I've got some Swift 300 grain A-Frame bullets, but have not tried them yet as several on this board have indicated that they might be too hard for the rifle. That bullet (and a 250gr. A-Frame, plus Barnes TSX's)) will wait until I talk to the Chapuis factory folks at the SCI convention in Reno. They were there last year, and I suspect will be there this year as well.

As far as accuracy, I don't know where you have been buying your rifles but my first center fire rifle (Rem 721 .270 purchased used 44 years ago) was around an inch and the worst I've ever had was a Ruger # 1-B in .223. That one ws around 3" and had a bad barrel. As soon as the barrel was replaced, it too was <1" rifle. The only rifles in my safe that are in the 2" range are some Winchester lever actions and a couple of old Remington pumps (.25, .30, and .35 Rem cartridges). I've never owned a bolt action 3" rifle in my life!

Tinker - Thank you very much.

Pilgrim

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